Question

There is a flu outbreak at your school that starts with 10 people. The number of ill students increases by 20% each hour. Write an exponential function to represent the total number of ill

students, f(x), where x is the number of hours after the outbreak.
a. f(x) = 10(1.2)x
b. f(x) - 1.2(10)
c. f(x) = 10(20)
d. None of the above.

Answer 1

A

Explanation:

DO NOT BELIEVE THE PERSON SAYING C! It is incorrect. If it increases by 20% an hour the variable has to 1.2 or 120% because it is increasing by 20%

Answer 2

c

Explanation:

f(x) =10 (20)=200